Home / 820,916.70-1,231,375.05-741,200.55

Finding the Fourth Proportional to 820,916.70, 1,231,375.05 and 741,200.55

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Solution

The fourth proportional to 820,916.70, 1,231,375.05 and 741,200.55 is: 1,111,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,916.70 : 1,231,375.05 = 741,200.55 : x
  2. Step 2: Convert to fraction form
    820,916.70/1,231,375.05 = 741,200.55/x
  3. Step 3: Cross multiply
    820,916.70x = 1,231,375.05 × 741,200.55
  4. Step 4: Simplify right side
    820,916.70x = 912,695,864,316.28
  5. Step 5: Solve for x
    x = 912,695,864,316.28/820,916.70
  6. Step 6: Final answer
    x = 1,111,800.83

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.